DISCLAIMER; This is a working document provided by the Centers for Disease Control and Prevention (CDC) 

technical support contractor, SC&A, for use in discussions with the National Institute for Occupational Safety and 

Health (NIOSH) and the Advisory Board on Radiation and Worker Health (ABRWH), including its Working Groups 

or Subcommittees. Documents produced by SC&A, such as memorandum, white paper, draft or working documents 

are not final NIOSH or ABRWH products or positions, unless specifically marked as such. This document prepared 

by SC&A represents its preliminary evaluation on technical issues.

NOTICE: This document has been reviewed to identify and redact any information that is protected by the 

Privacy Act 5 USC §552a and has been cleared for distribution. 

MEMORANDUM

TO: Idaho National Laboratory/Argonne National Laboratory–West Work Group 

FROM: SC&A, Inc.

DATE: August 3, 2017 

SUBJECT: Update on Validation and Verification of INL CPP Temporary Badge Database – 

Expansion of Claimant Pool (1963–1970) 

Introduction

SC&A delivered its proposed path forward and proof-of-concept for the verification and 

validation (V&V) of a newly developed Idaho National Laboratory (INL) database covering 

temporary and/or visitor badges (SC&A 2016), in particular, the proposal covered non-routine 

external badging at the Chemical Processing Plant (CPP) from January 1, 1963, to February 28, 

1970. SC&A’s proposal was discussed during the INL/Argonne National Laboratory–West 

(ANL-W) Work Group meeting on May 16, 2017. During that meeting, SC&A was instructed to 

expand its pool of claimants (32 claimants covering 51 visitor badges) to include additional cases 

pulled from temporary badge reports for the years 1963–1967. This memo provides an update on 

the expanded group of claimants identified for potential inclusion in the V&V analysis.

Discussion

It is important to note that temporary badge reports (unlike visitor cards) do not contain security 

numbers for each worker. Therefore, potential matches between the temporary badge reports and 

claimant files were made based on the worker’s name, date of the temporary badge, covered 

employment, and specific employer. Similar to the original V&V proposal, claims were selected 

based on the necessity of a dose reconstruction (i.e., the claim does not meet the Special 

Exposure Cohort [SEC] criteria). This was done to avoid unnecessary work by the INL site in 

compiling the dosimetry histories for individuals who would not otherwise require such research. 

Furthermore, it is recognized that the process of researching relatively large groups of individual 

workers can often take months.1

1 During the May 2017 Work Group meeting, it was estimated that researching the complete dosimetry history for 

approximately 40 individuals may take up to 2 months based on past experience (ABRWH 2017, page 42). 

 Therefore, SC&A used professional judgment to divide the 

identified claimants into three groups based on their likely usefulness to the V&V analysis. The 

criteria used to divide the identified claimants included: 

• Number of samples that directly identify the claimant via security number

 
Memo – CPP V&V Update (1963–1970) 2 SC&A – August 3, 2017

NOTICE: This document has been reviewed to identify and redact any information that is protected by the 

Privacy Act 5 USC §552a and has been cleared for distribution. 

• Total number of samples available for verification (visitor badges and temporary badges 

combined) 

• Diversity of employer (i.e., inclusion of a sufficient number of prime and subcontract 

workers) 

• Observed variations in name spellings (this is particularly important when dose records 

do not contain a security number to directly connect the badge report and claimant)

Based on a combination of the above criteria, SC&A delineated three potential groups in order of 

importance for the V&V analysis: Group 1, Group 2, and the Remainder Group. It is 

recommended that the dosimetry history for each group be requested in a sequential manner as 

the research of the previous group has been completed (or as otherwise directed by the Work 

Group). A fourth group (designated as the “SEC Group”) is also described in this memorandum; 

that group contains those workers who would not require a dose reconstruction. While this fourth 

group is not ideal to include in any V&V activity, this group could be added to the analysis if the 

first three groups proved inconclusive for the purposes of the Work Group. 

SC&A’s expansion of potential V&V candidates identified a total of 137 claimants in available 

temporary badge reports and/or visitor cards found in the Site Research Database. If the SEC 

Group claims are included, this number rises to 228. Table 1 shows the totals by each Group and 

includes the total number of non-routine badges available for verification. As Table 1 

demonstrates, Group 1 contains the largest portion of visitor badges identifying S# and also the 

largest proportion of temporary badges to check. 

Table 1. Overview of Expanded Claimant Population for V&V Analysis

Group 

Designation 

Total 

Claimants

Visitor 

Badges 

Including S#

Temporary 

Badges (No S# 

Available)

Total 

Non-Routine 

Badges to Check

Group 1 30 34 688 722

Group 2 30 1 353 354

Remainder 

Group 77 2 184 186 

SEC Group 91 19 516 535

Table 2 shows the proportion of each group that was employed by the site’s prime contractors 

(Aerojet Nuclear Corporation, Phillips Petroleum Corporation, or Idaho Nuclear Corporation) 

versus various subcontractors at INL. Also shown in Table 2 are the number of claims in each 

group for which variations on name spelling were observed. For Group 1, approximately one 

quarter of the 30 claims were subcontract employees, and half of the claims in this group had 

observed name variations among the non-routine badges reviewed. The Remainder Group had a 

slightly higher percentage of subcontract employees among the three groups; however, this 

benefit is offset by the lower percentage of observed name variations and significantly lower 

number of non-routine badges per worker (as shown in Table 1). 
Memo – CPP V&V Update (1963–1970) 3 SC&A – August 3, 2017

NOTICE: This document has been reviewed to identify and redact any information that is protected by the 

Privacy Act 5 USC §552a and has been cleared for distribution. 

Table 2. Expanded Claimant Population by Employer and Observed Name Variations 

Group 

Designation 

Total 

Claimants

# Prime 

Contract 

Employees 

(% of Total)

# Subcontract 

Employees 

(% of Total) 

# Employees with 

Name Variations 

(% of Total) 

Group 1 30 23 (76.7%) 7 (23.3%) 15 (50.0%)

Group 2 30 26 (86.7%) 4 (13.3%) 11 (36.7%)

Remainder 

Group 77 53 (68.8%) 24 (31.2%) 22 (28.6%) 

SEC Group 91 60 (65.9%) 31 (34.1%) 36 (39.6%)

Conclusion 

SC&A recommends that the identifying information for the 30 claimants in Group 1 be 

transmitted to the appropriate INL site personnel to obtain the full set of applicable dosimetry 

records as soon it has been determined that the coding and indexing of non-routine badges has 

been completed by DOE. 

References 

ABRWH 2017. Transcript of the Teleconference Meeting of the Advisory Board on Radiation 

Worker Health, Idaho National Laboratory/Argonne National Laboratory–West Work Group. 

May 16, 2017. 

SC&A 2016. Verification and Validation (V&V) Plan for Temporary Badges at CPP (1963–

1970), Memorandum from SC&A, Inc., Vienna, VA, to the Idaho National Laboratory Work 

Group. September 29, 2016.